Semi-Supervised Predictive Clustering Trees for (Hierarchical) Multi-Label Classification

Table 4

values of the Wilcoxon signed-rank test.

Methods			Number of labeled examples
			50	100	200	350	500
Multi-label classification
SL-PCT	vs.	SSL-PCT	0.012	0.008	0.008	0.117	0.071
SL-PCT	vs.	SSL-PCT-FR	0.008	0.008	0.023	0.012	0.008
SSL-PCT	vs.	SSL-PCT-FR	0.969	0.666	0.556	0.078	0.182
CLUS-RF	vs.	SSL-RF	0.209	0.126	0.078	0.092	0.182
CLUS-RF	vs.	SSL-RF-FR	0.17	0.117	0.013	0.638	0.695
SSL-RF	vs.	SSL-RF-FR	0.937	0.209	0.754	0.327	0.388
Hierarchical multi-label classification
SL-PCT	vs.	SSL-PCT	0.937	0.147	0.034	0.025	0.008
SL-PCT	vs.	SSL-PCT-FR	1	0.158	0.034	0.025	0.01
SSL-PCT	vs.	SSL-PCT-FR	0.388	0.136	0.034	0.695	0.347
CLUS-RF	vs.	SSL-RF	0.367	0.136	0.099	0.347	0.136
CLUS-RF	vs.	SSL-RF-FR	1	0.347	0.136	0.034	0.48
SSL-RF	vs.	SSL-RF-FR	0.367	0.666	1	0.239	0.969